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NatureOf
Science
MakingMeasurements
S.I.Units
S.I.Prefixes
ItFigures
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a system ofknowledge based on
factsor principles
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What is Science
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a seriesof logical steps
to follow inorder to solve
problems
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Scientific Method
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application application of science of science to meet to meet human human needsneeds
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technologytechnology
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Anything that can change in an experiment
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Variable
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a tested, a tested, possible possible
explanation of explanation of a natural a natural
eventevent
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Scientific Theory
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the straight-linedistance
between any twopoints
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Length
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a measure of a measure of space,space,
such as the such as the capacity of a capacity of a
containercontainer
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What is volumeWhat is volume
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a measure
of thequantity of matter
in an object
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What is What is massmass
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the force with whichthe force with whichgravity pulls on a quantity ofgravity pulls on a quantity of
mattermatter
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What is What is weightweight
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the massthe massper unit volume per unit volume of a substanceof a substance
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What is What is DensityDensity
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S.I. unit for lengthS.I. unit for length
23
What is theWhat is themetermeter
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S.I. unit for timeS.I. unit for time
25
What is theWhat is thesecondsecond
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The S.I. The S.I. unitunitforfor
massmass
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What is What is the the
kilograkilogramm
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The The S.I. S.I. unit unit for for
weightweight
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What is What is the the
NewtonNewton
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The S.I. unit The S.I. unit for for
temperaturetemperature
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What is What is degrees degrees Kelvin?Kelvin?
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The S.I. The S.I. prefix prefix
meaningmeaningone one
thousandthousand
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What What is is
kilo?kilo?
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The S.I. The S.I. prefix prefix
meaningmeaningOne-One-
hundrethhundreth
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What What is is
centicenti
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The S.I. The S.I. prefix prefix
meaningmeaningone one
millionmillion
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What is What is
MegaMega
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The S.I. The S.I. prefix prefix
meaningmeaningone one
billionthbillionth
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What is nano
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This S.I. prefix is symbolized
by themu (u)
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What What isis
micro micro ??
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a valuea valuewritten as a written as a
simple simple numbernumber
multiplied multiplied by a power by a power
of 10of 10
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What is What is scientifiscientifi
c c notationnotation
??
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The number
2 000 0002 000 000has this many
significant digits
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What What is is
one?one?
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The number The number
0.300 000 00.300 000 0 has how many has how many
significant digitssignificant digits??
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What isWhat isseven?seven?
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10 x 1010 x 108 8
divided divided by by
2 x 102 x 1066
(no calculators)(no calculators)
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What is 5 x What is 5 x 101022
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12 x 1012 x 10-4 -4 XX 2 x 10 2 x 10-2-2
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What isWhat is 24 x 1024 x 10-6-6